not only the libraries in Vietnam that the library in the world, which contains the largest collection of books, also struggled against the rotting paper. the precious old books often yellowing and torn when they touched, so we want to borrow to photo is not. The main culprit in this battle is the paper that people have used acid paper from the nineteenth century. humidity and pollution, also causing damage to the paper. how strange, the books are more likely to be destroyed most was not the oldest books. paper manufacturing in several books before the last century were made of cotton which has low acid levels naturally. Gutenberd bible printed five centuries ago, the thin cow leather and are in very good condition. in the nineteenth century, the popularity of requiring a paper supply cheaper and more plentiful. paper industry began using the paper has been treated with chemical to manufacture paper. The main chemicals in this paper caused problems mentioned above.
problem rotting paper gained worldwide attention, UNESCO promised to consider the issue of funding for libraries Vietnam, to protect heritage spectators . will soon have the treatment facilities around the world to preserve the collection of books in the library.
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